Replacing your HVAC system is one of the most expensive home projects you’ll ever take on — and one of the easiest to overpay for. In 2026, a full HVAC replacement for a typical 2,000 sq ft American home costs between $7,500 and $15,000 for a standard central AC + furnace combo. But that range swings wide depending on the system type you choose, your home’s size, and how efficient you want the new equipment to be.
Here’s what 2026 pricing looks like by system type. A central AC + furnace setup — the most common choice — runs about $7,500 to $12,500 for a 2,000 sq ft home. Heat pumps, which handle both heating and cooling in a single unit, typically cost $8,500 to $14,000 installed, and they’re gaining popularity thanks to strong federal and utility rebates. Ductless mini-splits run $10,000 to $18,000 for a whole home, although a single-zone installation can be as little as $3,000 to $5,000. If you’re only replacing the furnace, expect $5,000 to $9,000; a central AC alone typically costs $4,500 to $8,000.
Why the wide ranges? Roughly 60% of an HVAC replacement is the equipment itself and 40% is labor — but labor depends heavily on your region, how accessible your ductwork is, and whether your electrical panel needs an upgrade. High-efficiency units (16+ SEER2) cost 15–30% more upfront than standard models but can cut your energy bills by a similar percentage, which adds up fast over a 15- to 20-year system lifespan.
The biggest mistake homeowners make is getting a single quote and assuming it’s fair. HVAC markups vary enormously between contractors, and the same system can be quoted $5,000 apart by two companies in the same town. Use the calculator below to build a realistic budget for your home, then get at least three written quotes and compare them against your estimate. If a bid comes in far above your range, ask the contractor to break it down — and get another quote.
HVAC Replacement Cost Calculator
Get an instant 2026 estimate for a new heating & cooling system.
For detailed installed-price breakdowns by home size, see our guides to the new HVAC system cost for a 2,000 sq ft house, HVAC replacement cost for a 1,200 sq ft house, new HVAC system cost for a 1,000 sq ft house, HVAC replacement cost for a 1,500 sq ft house, and new HVAC system cost for a 3,000 sq ft house.
Average HVAC replacement costs in 2026
| System type | Typical cost (2,000 sq ft home) |
|---|---|
| Central AC + Furnace | $7,500 – $12,500 |
| Heat Pump | $8,500 – $14,000 |
| Ductless Mini-Split (whole home) | $10,000 – $18,000 |
| Furnace Only | $5,000 – $9,000 |
| Central AC Only | $4,500 – $8,000 |
How this calculator works
Enter your home’s square footage, pick your system type, and choose an efficiency level. The calculator multiplies your home size by 2026 per-square-foot installed rates for that system type — for example, about $3.75 to $6.25 per sq ft for a standard central AC + furnace — then adjusts for efficiency (high-efficiency adds about 15%, premium about 30%). Results are rounded to the nearest $100 and shown as a range, because no two homes or contractors price identically.
What affects your cost
The biggest cost drivers are system type and efficiency rating, followed by home size and layout — larger or multi-zone homes need bigger equipment. Ductwork condition matters a lot: new or repaired ducts can add $2,000 to $5,000. Labor rates vary sharply by region, and older homes may need an electrical panel upgrade ($1,200–$2,500) or new refrigerant lines. Brand, warranty length, and permit fees round out the differences between quotes.
How much does it cost to replace HVAC in 2026?
For a typical 2,000 sq ft home, expect $7,500 to $15,000 depending on system type and efficiency. Heat pumps and mini-splits run higher upfront but may qualify for rebates that close the gap.
Is a heat pump cheaper than a furnace and AC?
Upfront, a heat pump costs about the same or slightly more than a furnace + AC combo. But it heats and cools more efficiently, cutting annual energy bills — and 2026 federal tax credits plus utility rebates can knock thousands off the installed price.
How long does HVAC replacement take?
A straightforward like-for-like swap usually takes one to two days. Add several more days if ductwork is being replaced or the system is being relocated.
Should I replace the furnace and AC at the same time?
Yes, if both are 10+ years old. Matched systems run more efficiently together, you save on labor with a single install, and you won’t pay for a second service call a year later.